Method 4: Bare metal, liquid enamel
Watch this video to learn how to decorate enamel by scratching into it, a technique called sgraffito. In this technique you'll scratch through a layer of unfused liquid enamel to expose the bare metal underneath it. Check out the other 3 videos in this 4-video series to learn alternate ways that you can do sgraffito.
Method 1: Fused enamel layer, liquid enamel, powdered enamel
Method 2: Fused enamel layer, powdered enamel
Method 3: Bare metal, powdered enamel